Kafka

This section lists the alerts for Kafka.


KafkaClusterTargetsOutage

Available since MOSK 21.6

Severity

Critical

Summary

Kafka cluster Prometheus targets outage.

Description

Prometheus fails to scrape metrics from 2/3 of the {{ $labels.cluster }} cluster endpoints (more than 1/10 failed scrapes).

KafkaInsufficientBrokers

Severity

Critical

Summary

Kafka cluster has missing brokers.

Description

The {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace has missing brokers.

KafkaMissingController

Severity

Critical

Summary

Kafka cluster controller is missing.

Description

The {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace has no controllers.

KafkaOfflinePartitionsDetected

Severity

Critical

Summary

Unavailable partitions in Kafka cluster.

Description

Partitions without a primary replica have been detected in the {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace.

KafkaTooManyControllers

Severity

Critical

Summary

Kafka cluster has too many controllers.

Description

The {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} in namespace has too many controllers.

KafkaUncleanLeaderElectionOccured

Severity

Major

Summary

Unclean Kafka broker was elected as cluster leader.

Description

A Kafka broker that has not finished the replication state has been elected as leader in {{ $labels.cluster }} within the {{ $labels.namespace }} namespace.

KafkaUnderReplicatedPartitions

Severity

Warning

Summary

Kafka cluster has underreplicated partitions.

Description

The topics in the {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace have insufficient replica partitions.